Year
Active Nests
Old Nests
Total Nests
2009
12
8
20
2010
15
10
25
2011
33
28
61
2012
53
56
109
2013
123
57
180
2014
50
173
2015
172
23
195
2016
155
19
174
2017
160
30
190
2018
113
13
126
2019
77
4
81
2020
76
Total
1093
317
1410
